Satoshi Hirokawa

Title: Satoshi Hirokawa: Innovator in Position and Thickness Measurement Technologies

Introduction

Satoshi Hirokawa is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of measurement technologies, holding a total of 2 patents. His work primarily focuses on the development of advanced apparatuses for precise measurement applications.

Latest Patents

Hirokawa's latest patents include a position measuring apparatus and a thickness measuring apparatus using light from a slit. The position measuring apparatus is designed for the alignment of an array of devices, such as thin film magnetic heads on semiconductor wafers, with high accuracy and reproducibility. It features an object holding unit, X-stage, Y-stage, and triangulation type laser displacement meters to detect lateral motion errors during movement.

The thickness measuring apparatus employs a first and second position measuring unit to determine the thickness of an object by measuring the positions of its surfaces. It utilizes a light source to project slit light onto the object and an image pick-up portion to capture the reflected light, converting it into digital image data for analysis.

Career Highlights

Throughout his career, Satoshi Hirokawa has worked with prominent companies, including Hitachi Kokusai Electric Inc. and Hitachi Denshi. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in measurement technology.

Collaborations

Hirokawa has collaborated with notable coworkers such as Tamotsu Tominaga and Masaru Nogami. Their combined expertise has likely enhanced the development of the technologies they worked on together.

Conclusion

Satoshi Hirokawa's contributions to measurement technologies through his patents and career experiences highlight his role as an influential inventor in the field. His innovative approaches continue to impact the industry positively.